The e-bay antenna is well known to be junk , junk , junk and crap , this cheap china antenna is a straight out rip off. The High Quality antenna manufactures and importers are Winegard , Channel Master , Antenna Craft , Antennas Direct. The antenna for your location is the XG91 ,
http://www.solidsignal.com ,
http://www.amazon.com . Also read and understand this
http://forum.tvfool.com/showthread.php?t=695 . All the receivable channels are in the UHF Tv band at your location. Point the antenna at 318 magnetic compass. Put the XG91 in the attic , no amplifier and see what channels ya get.